21470724

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 42879996

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 53, 54, 62, 66, 93, 99, 106, 108, 121, 124, 132, 159, 186, 198, 212, 242, 279, 297, 318, 341, 363, 372, 396, 477, 484, 558, 583, 594, 636, 682, 726, 837, 954, 1023, 1089, 1116, 1166, 1188, 1364, 1431, 1452, 1643, 1674, 1749, 1908, 2046, 2178, 2332, 2862, 3069, 3267, 3286, 3348, 3498, 3751, 4092, 4356, 4929, 5247, 5724, 6138, 6413, 6534, 6572, 6996, 7502, 9207, 9858, 10494, 11253, 12276, 12826, 13068, 14787, 15004, 15741, 18073, 18414, 19239, 19716, 20988, 22506, 25652, 29574, 31482, 33759, 36146, 36828, 38478, 44361, 45012, 54219, 57717, 59148, 62964, 67518, 72292, 76956, 88722, 101277, 108438, 115434, 135036, 162657, 173151, 177444, 198803, 202554, 216876, 230868, 325314, 346302, 397606, 405108, 487971, 596409, 650628, 692604, 795212, 975942, 1192818, 1789227, 1951884, 2385636, 3578454, 5367681, 7156908, 10735362, 21470724]

約数ペア:

[(1, 21470724), (2, 10735362), (3, 7156908), (4, 5367681), (6, 3578454), (9, 2385636), (11, 1951884), (12, 1789227), (18, 1192818), (22, 975942), (27, 795212), (31, 692604), (33, 650628), (36, 596409), (44, 487971), (53, 405108), (54, 397606), (62, 346302), (66, 325314), (93, 230868), (99, 216876), (106, 202554), (108, 198803), (121, 177444), (124, 173151), (132, 162657), (159, 135036), (186, 115434), (198, 108438), (212, 101277), (242, 88722), (279, 76956), (297, 72292), (318, 67518), (341, 62964), (363, 59148), (372, 57717), (396, 54219), (477, 45012), (484, 44361), (558, 38478), (583, 36828), (594, 36146), (636, 33759), (682, 31482), (726, 29574), (837, 25652), (954, 22506), (1023, 20988), (1089, 19716), (1116, 19239), (1166, 18414), (1188, 18073), (1364, 15741), (1431, 15004), (1452, 14787), (1643, 13068), (1674, 12826), (1749, 12276), (1908, 11253), (2046, 10494), (2178, 9858), (2332, 9207), (2862, 7502), (3069, 6996), (3267, 6572), (3286, 6534), (3348, 6413), (3498, 6138), (3751, 5724), (4092, 5247), (4356, 4929)]